Strange engine bolt. Where does it go?

[flathead4rd]

I'm reassembling my engine 1950 8-CM and I found this bolt that is quite different than the rest. It's a 7/16 hex head about an inch about a quarter long, coarse thread. It has a hole drilled through the center threaded end and another through the top end of the threads. I assume it's used to lubricate some part. I tried to post a picture but no luck. Any thoughts?

[kurt v]

might be oil filter return line, on my 59ab it goes to a banjo fitting on the timing cover

[JayChicago]

Originally Posted by kurt v

might be oil filter return line, on my 59ab it goes to a banjo fitting on the timing cover

https://thirdgenauto.com/product/193...ow-banjo-bolt/
Does not belong to his 1950. Or any post war car.

[fortyonerag]

Banjo vacuum fitting?

[fordyford]

The vacuum line to the distributor connection located just below the carburetor in the intake manifold.

[flathead4rd]

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Thanks to all who replied, especially the one with the picture. That's exactly what it looks like. My only other thought was, I replaced the oil pump idler gear and bushing and thought it might hold that assembly together to furnish oil to the bushing.